Illumination arrangement for color picture projection
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United States of America Patent
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Issued Date -
Aug 2, 2007
app pub date -
Dec 20, 2006
filing date -
Dec 21, 2005
priority date (Note) -
Abandoned
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Abstract
This invention involves a lighting arrangement for color image projection with at least two lighting units, whose light will hit image-forming elements, such as DMDs or grating light valves via optical elements, so that a subsequent optical projection system will project a multi-colored image on a projection surface. This invention shows that the illuminating optical paths will hit one or more image-forming elements from different directions and that once they pass the image-forming element or elements, they will be combined into one common optical projection path.
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